Untuk Tahun Pelajaran 2020/2021, siswa/siswi SMA Negeri 1 Sukagumiwang berjumlah 689 orang, dengan rincian sebagai berikut:
Kelas X
| NO. | NAMA WALI KELAS | KELAS | L | P | TOTAL |
| 1. | DEDEN HERDIANA, S.Pd. | X.1-MIPA | 12 | 22 | 34 |
| 2. | IKEU PUSPITA DEWI, S.Pd. | X.2-MIPA | 12 | 22 | 34 |
| 3. | GUNAWAN, S.Pd. | X.3-MIPA | 12 | 22 | 34 |
| 4. | INDAH SUGIHARTI WICAPIA, S.Pd. | X.4-MIPA | 11 | 24 | 35 |
| 5. | YUNI ASRIYANI MANSYUR, S.Pd. | X.5-IPS | 12 | 24 | 36 |
| 6. | FIKA RAHMATUSTSANI, S.Pd. | X.6-IPS | 14 | 22 | 36 |
| 7. | MIADIN, S.OR. | X.7-IPS | 14 | 22 | 36 |
| 8. | NUR CHOLISH MAJID IBRAHIM, S.Pd. | X.8-IPS | 14 | 20 | 34 |
| | JUMLAH SISWA KELAS X | | 101 | 178 | 279 |
| NO. | KELAS | L | P | TOTAL |
| 1 | X.MIPA | 47 | 90 | 137 |
| 2 | X.IPS | 54 | 88 | 142 |
| | JUMLAH SISWA KELAS X | 101 | 178 | 279 |
Kelas XI
| NO. | NAMA WALI KELAS | KELAS | L | P | TOTAL |
| 1. | ABDULLAH SYAFI’I, S.Pd. | XI.1-MIPA | 10 | 20 | 30 |
| | NIP. 19780815 200212 1 006 | | | | |
| 2. | TURTINI, S.Pd. | XI.2-MIPA | 10 | 20 | 30 |
| | NIP. 19770414 200212 2 005 | | | | |
| 3. | Dra. SRI MULYATININGSIH | XI.3-MIPA | 10 | 21 | 31 |
| | NIP. 19690227 199512 2 003 | | | | |
| 4. | RR. DWI RETNO TITIK WARDANI, S.Pd. | XI.4-MIPA | 11 | 20 | 31 |
| | NIP. 19760615 200801 2 011 | | | | |
| 5. | KARTINI, S.Pd. | XI.5-IPS | 7 | 19 | 26 |
| | NIP. 19750404 200801 2 008 | | | | |
| 6. | FAIZAH, S.Pd.I. | XI.6-IPS | 7 | 19 | 26 |
| | NIP. – | | | | |
| 7. | RAKHMAT SANTOSO, S.Pd. | XI.7-IPS | 8 | 18 | 26 |
| | NIP. 19800324 200701 1 005 | | | | |
| | JUMLAH SISWA KELAS XI | | 63 | 137 | 200 |
| NO. | KELAS | L | P | TOTAL |
| 1 | XI.MIPA | 41 | 81 | 122 |
| 2 | XI.IPS | 22 | 56 | 78 |
| | JUMLAH SISWA KELAS XI | 63 | 137 | 200 |
Kelas XII
| NO. | NAMA WALI KELAS | KELAS | L | P | TOTAL |
| 1. | Dra. Hj. MASMANIH | XII.1-MIPA | 11 | 19 | 30 |
| | NIP. 19640612 199303 2 002 | | | | |
| 2. | IRA SURYANI, S.Pt. | XII.2-MIPA | 11 | 19 | 30 |
| | NIP. 19750602 200701 2 018 | | | | |
| 3. | LAELA ROS ANJARSARI, S.Si. | XII.3-MIPA | 10 | 20 | 30 |
| | NIP. 19780424 200801 2 016 | | | | |
| 4. | H. TOHA, S.Pd. | XII.4-MIPA | 10 | 20 | 30 |
| | NIP. 19690116 200212 1 003 | | | | |
| 5. | ROKIYAH, S.Pd., M.Pd. | XII.5-IPS | 9 | 21 | 30 |
| | NIP. 19750610 200701 2 012 | | | | |
| 6. | KHOIROTUN INDRAWATI, S.Pd. | XII.6-IPS | 9 | 21 | 30 |
| | NIP. 19780827 200801 2 007 | | | | |
| 7. | ADE PUTRI ROYANI, S.Pd. | XII.7-IPS | 8 | 22 | 30 |
| | NIP. – | | | | |
| | JUMLAH SISWA KELAS XII | | 68 | 142 | 210 |
| NO. | KELAS | L | P | TOTAL |
| 1. | XII.MIPA | 42 | 78 | 120 |
| 2. | XII.IPS | 26 | 64 | 90 |
| | JUMLAH SISWA KELAS XII | 68 | 142 | 210 |
